Alfred Tobias, PA-C
NPI 1609124965 · Physician Assistant · Stanford, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alfred Tobias, PA-C is a Physician Assistant provider in Stanford, CA (NPI 1609124965).
Provider details
- NPI number
- 1609124965
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 22402 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
369 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 310 | $118 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 45 | $172 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 14 | $147 |
Typical Medicare-allowed amounts for these services range $118–$172 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Entecavir | 314 | 53 |
| Tenofovir Alafenamidebrand: Vemlidy | 283 | 44 |
| Ursodiol | 145 | 36 |
| Rifaximinbrand: Xifaxan | 65 | 15 |
| Azathioprine | 63 | 23 |
| Lactulose | 55 | 20 |
| Spironolactone | 43 | 13 |
| Furosemide | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$130 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-08-16
- Last updated
- 2025-12-19
- Certified
- 2025-12-19
Frequently asked questions
- What is Alfred Tobias's NPI number?
- Alfred Tobias's National Provider Identifier (NPI) is 1609124965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfred Tobias's specialty?
- Alfred Tobias is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alfred Tobias located?
- Alfred Tobias's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Alfred Tobias's phone number?
- The practice phone number listed in the NPPES registry for Alfred Tobias is (650) 723-4000.
- Does Alfred Tobias accept Medicare?
- Alfred Tobias is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alfred Tobias's NPI active?
- Yes — Alfred Tobias's NPI (1609124965) is active in the NPPES registry as of the last update on 2025-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.